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- benzylidene malonate 丙二酸亚苄酯
- Benzylidene acetone exports accounted for first in the country. 苄叉丙酮的出口量占全国第一。
- However, Malon detects Dalan’s trickery due to her clumsy slipup. 大兰破绽百出，被马郎识破。
- Aside from removing the malonate, how can this inhibition of respiration be overcome? Explain. 除了去掉丙二酸之外,还可以怎样克服这种对呼吸作用的抑制?解释。
- Absorption spectra of three novel coumarin sensitizer incorporate benzylidene cyclopentanone moiety were studied. 比较研究了三种含苄叉环戊酮基团的新型香豆素类光敏染料。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相对于丙二酸二乙酯达到了80%25以上。
- The preparation of 3,5-dinitroacetophenone from 3,5-dinitrobenzoic acid and diethyl malonate has been investigated. 本文采用丙二酸二乙酯合成法,以3,5-二硝基苯甲酸为原料,经酰化、缩合、脱酸等步骤合成了3,5-二硝基苯乙酮。
- The purity of final product is 98% with yield up to 96% (in terms of diethyl malonate). 目标产品纯度98%25，产率高达98%25（以丙二酸二乙酯计）。
- In this paper a new method on the Preparation dimethyl malonate has been proposed. 本文通过对丙二酸二甲酯合成新方法的研究，收率达到80%25以上。
- A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied. 介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法。
- METHODS 3,4,5-trimethoxy-triphenyl benzylidene bromide phosphine salt,the important precursor of the phosphine Ylide,was synthesis from deoxidize,bromization and addition. 方法以3,4,5-三甲氧基苯甲醛为原料,经过还原、溴代、加成三步反应得到叶立德前体3,4,5-三甲氧基苄溴三苯基膦盐。
- Benzylidene acetophenone was synthesized successfully through the reaction of benzaldehyde with acetophenone in near-critical water, without any added catalyst. 以近临界水作为反应介质,在无外加催化剂的条件下,苯甲醛与苯乙酮可顺利反应生成苄叉乙酰苯。
- The functional groups, such as malonate, acetoxyl, and phthalic amide in allene 3, are tolerable under the current conditions. 这种功能基团，像丙二酸根，乙酰氧基和邻苯二甲酰胺，在丙二烯3中在当前条件下可以存在的。
- Conditions for the synthesis of iso-propylidene malonate was improved with a yield of 82.8%,higher than 49% reported previously. 改进丙二酸亚异丙酯的合成条件;使产率达到82.;8%25。
- It was obtained from diethyl malonate in about 24 2% yield through hexylation, methylation, hydrolysis and decarboxylation. 以丙二酸二乙酯为原料,经己基化、甲基化、水解、脱羧,合成了2-甲基辛酸,总收率为242%25。
- The preparation of dimethyl malonate was studied with monochloroacetic acid,methanol and sodium cyanide by cyanidation and esteriflcation. 对氰化酯化法合成丙二酸二甲酯的工艺进行了改进。
- Methods: The title compounds were synthesized from malonate and p-cresol.Orthogonal test was carried out to find out the optimal condition. 方法：以丙二酸和对甲酚为原料合成目标化合物，用正交试验摸索最优条件。
- Diethyl malonate is an important organic synthetic intermediate which is widely used in the production of pharmaceutical, colorants and spicery. 丙二酸二乙酯是重要的有机合成中间体,广泛应用于医药、染料和香料等工业。
